Home / 245,819.20-339,231.04-136,922.66

Finding the Fourth Proportional to 245,819.20, 339,231.04 and 136,922.66

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Solution

The fourth proportional to 245,819.20, 339,231.04 and 136,922.66 is: 188,953.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,819.20 : 339,231.04 = 136,922.66 : x
  2. Step 2: Convert to fraction form
    245,819.20/339,231.04 = 136,922.66/x
  3. Step 3: Cross multiply
    245,819.20x = 339,231.04 × 136,922.66
  4. Step 4: Simplify right side
    245,819.20x = 46,448,416,351.37
  5. Step 5: Solve for x
    x = 46,448,416,351.37/245,819.20
  6. Step 6: Final answer
    x = 188,953.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.